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Changes in Accumulated Other Comprehensive Income Level 1 (Notes)
 3 Months Ended
Mar. 31, 2018
Changes of Accumulated Other Comprehensive Income [Abstract]  
Changes in Accumulated Other Comprehensive Income [Text Block]
Changes in Accumulated Other Comprehensive Income (Loss)
Following is a summary of changes in “Accumulated other comprehensive income (loss)” for the three months ended March 31, 2018 and 2017:
 
Three Months Ended March 31, 2018
 
Three Months Ended March 31, 2017
 
Defined Benefit Pension and Postretirement Plans
 
Foreign Currency Translation Adjustments
 
Total
 
Defined Benefit Pension and Postretirement Plans
 
Foreign Currency Translation Adjustments
 
Total
Beginning balance
$
1

 
$
(9
)
 
$
(8
)
 
$
3

 
$
(42
)
 
$
(39
)
Other comprehensive income before reclassifications, net of tax
—

 
14

 
14

 
—

 
6

 
6

Ending balance
$
1

 
$
5

 
$
6

 
$
3

 
$
(36
)
 
$
(33
)